Home / 55,979.75-77,254.55-33,010.49

Finding the Fourth Proportional to 55,979.75, 77,254.55 and 33,010.49

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Solution

The fourth proportional to 55,979.75, 77,254.55 and 33,010.49 is: 45,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.75 : 77,254.55 = 33,010.49 : x
  2. Step 2: Convert to fraction form
    55,979.75/77,254.55 = 33,010.49/x
  3. Step 3: Cross multiply
    55,979.75x = 77,254.55 × 33,010.49
  4. Step 4: Simplify right side
    55,979.75x = 2,550,210,550.23
  5. Step 5: Solve for x
    x = 2,550,210,550.23/55,979.75
  6. Step 6: Final answer
    x = 45,555.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.